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Find the 42 Best Security Companies in Illinois

Browse 42 security companies serving Illinois, including Chicago, Elk Grove Village and Peoria, for home and commercial protection. Review guarding, patrol and security system services, read customer feedback and contact local providers for estimates.
Arlington Heights (1)
Bloomington (1)
Chicago (8)
Elgin (1)
Elk Grove Village (5)
Elmhurst (1)
Forest Park (1)
Freeport (1)
Lake Zurich (1)
Lincolnwood (1)
Naperville (1)
New Lenox (1)
Northbrook (1)
Orland Park (1)
Oswego (1)
Pekin (1)
Peoria (5)
Quincy (1)
Rockford (2)
Roselle (1)
Salem (1)
South Holland (1)
Springfield (1)
Willowbrook (2)
Wood Dale (1)
17 reviews
Umbrella Security Systems
10 Years
17 reviews
Certified expertise in enterprise-grade commercial security technologies
Umbrella Security delivers commercial security integration to organizations that need dependable protection and practical support across Chicago and Northern Illinois. Our portfolio includes commercial...
Website (630) 270-3313 Call Profile
Not rated yet
Forbel Alarms
14 Years
Emergency
Not rated yet
We offer scalable security systems that adapt to your business growth.
Forbel Alarms provides tailored security systems for businesses in Chicago, including video surveillance, access control, and fire alarms. With 10+ years of expertise, we offer reliable, scalable solutions for commercial properties.
Video Surveillance Access Control Fire Alarms
(847) 595-1900 Call Profile
Not rated yet
Maxx Locksmith & Security
Emergency
Not rated yet
We offer 24/7 emergency locksmith services in Chicago and suburbs
Maxx Locksmith & Security offers 24/7 emergency locksmith services, security systems, intercom repairs, and access control solutions in Chicago and surrounding suburbs.
24/7 Locksmith Services Intercom Repairs CCTV Installations
(773) 829-1943 Call Profile
Not rated yet
Cam9install
Not rated yet
We offer customized surveillance systems tailored to your specific security needs.
Cam9install offers expert security camera installation, maintenance, and networking services for homes and businesses in Chicagoland. Free software and mobile apps for remote monitoring.
Security Camera Installation Networking Services Mobile Monitoring
(773) 747-8809 Call Profile
Not rated yet
Security Doctors
Emergency
Not rated yet
Family-owned business with over 10 years of local security expertise
Trusted home and business security systems in Chicago. 24/7 monitoring, smart automation, and customized security solutions for Illinois residents and businesses.
Home Security Systems Business Security Solutions 24/7 Monitoring Services
(847) 386-8838 Call Profile
VinTech Systems
21 Years
Emergency
Not rated yet
VinTech Systems
21 Years
Emergency
Not rated yet
We offer 18 years of specialized security expertise in Chicago's unique environments
Trusted Chicago security provider offering HD surveillance, alarm monitoring, and access control systems. 18+ years of experience, A+ BBB rated, and fully insured.
Video Surveillance Burglar Alarm Monitoring Access Control Systems
(773) 388-1208 Call Profile
Not rated yet
Oberlander Alarm Systems
50+ Years
Emergency
Not rated yet
We offer 50+ years of local security expertise with third-generation family ownership.
Trusted local security solutions since 1956. Custom alarm systems, 24/7 monitoring, and advanced surveillance for homes and businesses in Central Illinois.
Commercial Security Systems Home Security Systems Security Camera Systems
(309) 676-3535 Call Profile
Alert Protective
44 Years
Emergency
Not rated yet
Alert Protective
44 Years
Emergency
Not rated yet
We have over 40 years of experience in Midwest security solutions.
Alert Protective offers top-tier home and commercial security solutions in Chicago, including alarm systems, video surveillance, and 24/7 monitoring since 1982.
Alarm Systems Fire Alarms Video Surveillance
(855) 433-6700 Call Profile
Not rated yet
Cops Inc Security Solutions
44 Years
Emergency
Not rated yet
40 years of experience securing Peoria area properties since 1982
Cops Inc Security Solutions Inc offers top-quality security solutions for homes and businesses in Peoria, IL, including alarms, locks, safes, and surveillance systems since 1982.
Commercial Security Systems Residential Security Systems Surveillance Systems
(309) 682-2677 Call Profile
Not rated yet
High Rise Security Systems
22 Years
Emergency
Not rated yet
NICET-certified technicians with field expertise
Trusted fire alarm design, installation, and 24/7 monitoring services for commercial properties in Chicago. NICET-certified technicians, UL-listed equipment, and code-compliant solutions for hospitals, schools, and high-rises.
Fire Alarm System Design Fire Alarm Monitoring Commercial Fire Alarm Inspection
(630) 920-0100 Call Profile